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Ozonation and PAC addition schemes, results - EU Project Neptune

Ozonation and PAC addition schemes, results - EU Project Neptune

Ozonation and PAC addition schemes, results - EU Project Neptune

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Full scale ozonation at WWTP Regensdorf<br />

Primary<br />

effluent<br />

activated sludge treatment<br />

Secondary<br />

effluent<br />

<strong>Ozonation</strong><br />

effluent<br />

Upstream<br />

WWTP<br />

S<strong>and</strong>filtration<br />

sedimentation<br />

O 3<br />

Primary<br />

sedimentation<br />

S<strong>and</strong><br />

filtration<br />

effluent<br />

36 m 3 Downstream<br />

sampling points<br />

• population equivalent: 25.000<br />

• water flow under dry weather conditions:<br />

30-120 L/sec ~ 50 % water flow of creek<br />

WWTP

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